* gladeui/glade-editor-property.c: Fixed adjustments when values are null in
	libglade mode

	* plugins/gtk+/gtk+.xml.in: Reorganized groups, added some more metadatas

	* plugins/gtk+/glade-convert.c: 
	  - Convert "text" property of TextView to a textbuffer and text property 
	    in builder format.
	  - Convert "tooltip" <--> "tooltip-text"
	
	* gladeui/glade-popup.c, gladeui/glade-inspector.c: enhanced menu for 
	inspector empty spots (paste toplevels)

	* gladeui/glade-editor-property.c: Adjustments in libglade had bugs, hardcoded
	default values here and made sure object is NULL on default.

	* gladeui/glade-widget.[ch]: Removed glade_widget_project_notify()

	* gladeui/glade-command.c: 
	  - glade_command_remove() implicitly makes commands to unset any properties 
	    reffering to the object being removed from the project.
	  - project conversions now cleanup unsupported widgets/properties

	* gladeui/glade-palette.c, gladeui/glade-app.c: Moved toplevel widget creation
	code from gladeapp to gladepalette.


svn path=/trunk/; revision=1955